[turbofan] Change Float64Max/Float64Min to JavaScript semantics.

src/compiler/x64/instruction-selector-x64.cc

Index: src/compiler/x64/instruction-selector-x64.cc
diff --git a/src/compiler/x64/instruction-selector-x64.cc b/src/compiler/x64/instruction-selector-x64.cc
index ef82119e82b26fb997293aee0e7d6002827f7286..c2101ca7a204ea84f390664a57fc73a4db83e5a7 100644
--- a/src/compiler/x64/instruction-selector-x64.cc
+++ b/src/compiler/x64/instruction-selector-x64.cc
@@ -1131,6 +1131,12 @@ void VisitRR(InstructionSelector* selector, Node* node,
                  g.UseRegister(node->InputAt(0)));
 }
 
+void VisitRRO(InstructionSelector* selector, Node* node,
+              InstructionCode opcode) {
+  X64OperandGenerator g(selector);
+  selector->Emit(opcode, g.DefineSameAsFirst(node),
+                 g.UseRegister(node->InputAt(0)), g.Use(node->InputAt(1)));
+}
 
 void VisitFloatBinop(InstructionSelector* selector, Node* node,
                      ArchOpcode avx_opcode, ArchOpcode sse_opcode) {
@@ -1287,16 +1293,6 @@ void InstructionSelector::VisitFloat32Div(Node* node) {
 }
 
 
-void InstructionSelector::VisitFloat32Max(Node* node) {
-  VisitFloatBinop(this, node, kAVXFloat32Max, kSSEFloat32Max);
-}
-
-
-void InstructionSelector::VisitFloat32Min(Node* node) {
-  VisitFloatBinop(this, node, kAVXFloat32Min, kSSEFloat32Min);
-}
-
-
 void InstructionSelector::VisitFloat32Abs(Node* node) {
   VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat32Abs, kSSEFloat32Abs);
 }
@@ -1359,12 +1355,12 @@ void InstructionSelector::VisitFloat64Mod(Node* node) {
 
 
 void InstructionSelector::VisitFloat64Max(Node* node) {
-  VisitFloatBinop(this, node, kAVXFloat64Max, kSSEFloat64Max);
+  VisitRRO(this, node, kSSEFloat64Max);
 }
 
 
 void InstructionSelector::VisitFloat64Min(Node* node) {
-  VisitFloatBinop(this, node, kAVXFloat64Min, kSSEFloat64Min);
+  VisitRRO(this, node, kSSEFloat64Min);
 }
 
 
@@ -2130,10 +2126,6 @@ void InstructionSelector::VisitAtomicStore(Node* node) {
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   MachineOperatorBuilder::Flags flags =
-      MachineOperatorBuilder::kFloat32Max |
-      MachineOperatorBuilder::kFloat32Min |
-      MachineOperatorBuilder::kFloat64Max |
-      MachineOperatorBuilder::kFloat64Min |
       MachineOperatorBuilder::kWord32ShiftIsSafe |
       MachineOperatorBuilder::kWord32Ctz | MachineOperatorBuilder::kWord64Ctz;
   if (CpuFeatures::IsSupported(POPCNT)) {